💪 Deltoid

Brian Lee
Jul 08, 2025
Reviewed

Summary

Origins

Lateral third of the clavicle (anterior fibers)

📍 Acromion process of the 🦴 scapula (middle fibers)

Spine of the 🦴 scapula (posterior fibers)

Insertions

📍 Deltoid tuberosity of the 🦴 humerus

Actions

Shoulder abduction (middle fibers)

Shoulder flexion & medial rotation (anterior fibers)

Shoulder extension & lateral rotation (posterior fibers)

Illustrations

Translations

French

deltoïde

Russian

дельтовидная мышца

Examples

Diana and Cupid by Pompeo Batoni, 1761

See Also

• Arm Movements
• 📍 Infraclavicular Fossa

References

• Wikipedia
• Richer, Plate 49
• 📕 Hale And Coyle 1977
  • 26, 32, 106, 108, 114, 116, 118, 122-123, 126, 128, 130, 132, 134, 138, 144, 146, 148, 150, 152, 182, 250, 251, 253, 254, 255
• 📕 Goldfinger 1991
  • 156–58